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ivf pregnancy infertility icsi oocyte embryo evidence based medicine ohss research gnrhantagonist abortion gynecology endometriosis miscarriage ovulation induction genetics embryo genome pgs pgt nipt pgd baby preg gonadotrophins cancer stem cells hrt ovarian stimulation reproductive medicine progesterone doppler baby pain iui myoma oocytes rpl certificate training et laparoscope hysteroscopy women's health conception live birth ebm amh fsh coh ultrasound cochrane fibroid investigations menopause adenomyosis protocol dienogest ethics vissane systematic reviews pcos journal urinary hcg recombinant fsh manuscript hmg rejection media urinary gonadotropins recombinant hcg publish study design paper prediction prospective prognosis study rct recurrent pregnancy loss tocolysis nifedipine atosiban luteal phase support lh surge clomiphene citrate elonva corifolitropin alfa signifigance statistics systematic review cancer breast sensitivity diagnostic test accuracy adjuvant sucess rate oestrogen update evidence fertility preservation genetic diseases future chromosome obsterics gene vfi four dimentional 3d ultrasound sucess obstetrics ebwh clinical trial rcog embryo lab ganna hospital quality control sex selection genomics era test implantation endometrial receptivity outcome poi thin endometrium prp efficacy ocp error lps subendometrial blood flow submucous polyp iua uterus endometrium letrozol vacine corona women mistakes fertility ovulation induction infertilit train technology prevent redcap integrity culture embryo transfer hormones embolisation poor responder bleeding ascitis cabergoline sickle cell anaemia thalathemia mitochondria transfer freezing embryo reduction azospermia premature ovarian failure nac vascular disorder meta-analysis urinary recombinant placenta chronic ulcer amniotic membrane treatment elaglix 2014 oncology diagnosis semen analysis hsg ectopic hcg lh preterm labor gender selection covid 19 blood assay abuse user experience embryology follicle ovary opu education diploma poor response art drugs recent developments 2018 randomised controlled trial controlled ovarian hyperstimulation twin cost semen postmenopausal pregnancy